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4.0-72-KQQ-3-Q — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4.0-72-KQQ-3-Q: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY FLOW CONTROL DEVICE, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, operating_pressure: 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-525-9592, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4.0-72-KQQ-3-Q
NSN: 4820-01-525-9592
FSC: 4820 — Valves, Nonpowered
CAGE: 76588 — CORE INDUSTRIES INC. DBA MUELLER STEAM SPECIALTY (USA)
SPECIFICATIONS
materialNICKEL ALLOY FLOW CONTROL DEVICE
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
material_document_and_classificationMONEL MFR REF SINGLE MATERIAL RESPONSE STEM
part_name_assigned_by_controlling_agency4.0 NO. 72 SURE CHECK VALVE
NSN4820-01-525-9592
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4.0-72-KQQ-3-Q · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: DISK
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM 494 CAST MONEL ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
•
OPERATING PRESSURE: 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
MOUNTING POSITIONHORIZONTAL OR VERTICAL
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONASTM 494 CAST MONEL ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-148 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONBUNA MFR REF SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONMONEL MFR REF SINGLE MATERIAL RESPONSE STEM
OPERATING PRESSURE225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
DISK LOADING METHODSPRING
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
4.0-72-KQQ-3-Q-N0018104MC030-04Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4.0-72-KQQ-3-Q?
4.0-72-KQQ-3-Q is a VALVE,CHECK.
What parts can replace 4.0-72-KQQ-3-Q?
There is 1 known substitute for 4.0-72-KQQ-3-Q: 4.0-72-KQQ-3-Q-N0018104MC030-04. Substitute compatibility should be verified for your specific system.
What is the NSN for 4.0-72-KQQ-3-Q?
4.0-72-KQQ-3-Q is cataloged in the U.S. Government catalog under NSN 4820-01-525-9592. This indicates validated use in U.S. government and defense supply chains.
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